Date: Sun, 31 Jul 2011 09:05:00 -0400 From: James Jones <james@freedomnet.co.nz> To: Robert Watson <rwatson@FreeBSD.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: MIPS toolchain Message-ID: <01E9E7A6-8043-4E8E-9F06-1818F67CB0C1@freedomnet.co.nz> In-Reply-To: <alpine.BSF.2.00.1107310958100.17765@fledge.watson.org> References: <565C98BA-9B92-4F07-A747-DDA5DC3D7703@freedomnet.co.nz> <alpine.BSF.2.00.1107310958100.17765@fledge.watson.org>
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Could you provide steps for building cross tool chain. I have not done it so long. I have tried many different versions of howtos but all have fallen short or I am not understanding. I need a toolchain for target 'mips-unknown-elf'. Sent from my iPhone On Jul 31, 2011, at 5:03 AM, Robert Watson <rwatson@FreeBSD.org> wrote: > > On Fri, 29 Jul 2011, James Jones wrote: > >> Does anyone have a prebuilt MIPS tool chain? > > For FreeBSD-related MIPS work, I generally use the FreeBSD "toolchain" target followed by the "buildenv" environment, but that requires first building a cross-toolchain using TARGET_ARCH and TARGET. However, the result is a pretty sane compiler, linker, etc, setup for the MIPS of your choice (we tend to use mips64eb). > > We also use the MIPS-provided SDE toolchain for Linux at the CL, but that appears to be out of maintenance, and I haven't found its bug density to be any lower, really, than the even more ageing FreeBSD versions of the tools. In fact, there are some toolchain bugs I'm running into that manifest only in the SDE toolchain and not the FreeBSD toolchain. (Mind you, Philip has commented that in building Uboot for MIPS, he's found FreeBSD bugs that don't appear in the SDE toolchain, so mileage varies). > > We're greatly looking forward to MIPS support for LLVM, which currently appears very premature indeed. Someone from MIPS appears to be contributing to it, however, and we (cl.cam.ac.uk) hope to provide some implementation support for that effort in the immediate future. > > Robert
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